Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4322S.
| Tail Number / N-Number | N4322S |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-300 |
| Year Built | 1974 |
| Manufacturer's Serial Number | 300-0002 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Average Cruising Speed | 71 miles per hour |
| Type of Registrant | Individual |
| Owner Name | STEIER TIM A |
| Street | 7575 HIWAY 169 |
| City | BLUE EARTH |
| State | MN |
| Zip Code | 56013 |
| Country | US |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1974-05-31 |
| Certificate Issue Date | 2011-11-17 |
| Last Action Date | 2011-11-17 |
| Last Status | Registration Expired - Pending Cancellation |
| Cancellation Date | 2018-01-04 |
| Mode S Code | 51226473 |
| Mode S Code Hex | A52D3B |